Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-01-193-4656 A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also VALVE, SAFETY RELIEF and VALVE, REGULATING. TEMPERATURE.

Part Alternates: TYPE 44 1/2" SET 15 , TYPE 44 1/2inch SET 15, TYPE4412inchSET15, TYPE4412SET15, 12512962, 12512984, 4820-01-193-4656, 01-193-4656, 4820011934656, 011934656

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 03 NOV 1984 01-193-4656

Demand History | NSN 4820-01-193-4656

Part Number Request Date QTY Origin
12512984 2023-04-96 13 DIBBS
TYPE 44 1/2" SET 15 2023-04-96 13 DIBBS
12512984 2022-09-258 8 DIBBS
TYPE 44 1/2" SET 15 2022-09-258 8 DIBBS
12512984 2021-04-98 5 DIBBS
TYPE 44 1/2" SET 15 2021-04-98 5 DIBBS
12512984 2020-04-107 3 DIBBS
TYPE 44 1/2" SET 15 2020-04-107 3 DIBBS
12512984 2019-10-290 3 DIBBS
TYPE 44 1/2" SET 15 2019-10-290 3 DIBBS
4820-01-193-4656 2018-02-46 8 DIBBS
4820-01-193-4656 2017-12-340 6 DIBBS
4820-01-193-4656 2017-09-264 6 DIBBS
4820-01-193-4656 2016-01-03 3 DIBBS
4820-01-193-4656 2014-07-212 2 DIBBS
4820-01-193-4656 2014-02-35 1 DIBBS
4820-01-193-4656 2013-12-342 1 DIBBS
4820-01-193-4656 2013-02-52 1 DIBBS
12512984 2012-02-51 1 United States
12512984 2012-02-51 1 United States
4820-01-193-4656 2012-02-51 1 MANUAL
12512984 2012-02-38 1 United States
12512984 2012-02-38 1 United States
4820-01-193-4656 2011-09-253 1 DIBBS
4820-01-193-4656 2011-08-237 1 DIBBS
4820-01-193-4656 2009-06-178 1 DIBBS
4820-01-193-4656 2009-04-94 1 DIBBS
4820-01-193-4656 2009-04-94 14 DIBBS

Cross Reference | NSN 4820-01-193-4656

Part Number Cage Code Manufacturer
12512962 50024 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE FM/ALCO
12512984 50024 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE FM/ALCO
TYPE 44 1/2" SET 15 32869 O. C. KECKLEY COMPANY

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Technical Data | NSN 4820-01-193-4656

Characteristic Specifications
BODY MATERIAL BRASS

Restrictions/Controls & Freight Information | NSN 4820-01-193-4656

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-01-193-4656

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each